#box{
    width: 500px;
    height: 354px;
    margin: 10px auto;
}
.layui-btn-primary:hover{
    border-color: #2F4056;
    color: #333;
}
.layui-form-select dl dd.layui-this{
    background-color: #2F4056;
    color: #fff;
}